Dental epithelium and dental esenchyme from 30 newborn C57BL/6 P1 molars werer isolated. After crosslinking with PFA, tissue ysates were clarified from sonicated nuclei and histone-DNA complexes were isolated with epiprofin/Sp6 antibody. Libraries were prepared by Genpathway according to Illumina's instructions. Libraries were sequenced on the Genome Analyzer 2 following the manufacturer's protocols.